Glutathione as a skin-lightening agent and in melasma: a systematic review.

Hyperpigmentary disorders, including melasma, are challenging to treat. Glutathione has anti-melanogenic and antioxidant properties, which led to its use as a skin-lightening agent. Our objective was to review the published evidence and literature on the efficacy and safety of glutathione as a skin-lightening agent and in the treatment of melasma.

Cold urticaria in tropics: A clinico-epidemiological study from North India.

Background Cold urticaria (ColdU) is classified as a subtype of chronic inducible urticaria characterised by recurring pruritic wheals and/or angioedema upon exposure to cold stimuli. However, very limited data is available on ColdU specifically among Indians. Objectives The aim of this study was to describe the clinico-epidemiological characteristics and treatment response in North Indian patients diagnosed with ColdU.